media: camss: ispif: Fix runtime PM imbalance on error

pm_runtime_get_sync() increments the runtime PM usage counter even when it returns an error code. Thus a pairing decrement is needed on the error handling path to keep the counter balanced. Signed-off-by: Dinghao Liu <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
ChimeraOS · Jun 23, 2020 · 6065788 · 6065788
1 parent cf7b1c7
commit 6065788
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c
@@ -344,8 +344,10 @@ static int ispif_set_power(struct v4l2_subdev *sd, int on)
 		}
 
 		ret = pm_runtime_get_sync(dev);
-		if (ret < 0)
+		if (ret < 0) {
+			pm_runtime_put_sync(dev);
 			goto exit;
+		}
 
 		ret = camss_enable_clocks(ispif->nclocks, ispif->clock, dev);
 		if (ret < 0) {